TagPollution Control Hearings Board(1532)

Washington State Department of Ecology Agreed Order #97TC-N122 issued to Port Of Seattle for Seattle-Tacoma International Airport (STIA), pursuant to RCW 70.105D.050(1). Documents hazardous substance releases within the Aircraft Operations and Maintenance Area (AOMA), a half-square-mile southeast quadrant of STIA operational since 1944. Contaminants identified include jet fuel (most abundant by bulk volume), gasoline, industrial

A memo documenting a meeting between Corps officials (Brett Amrine and the author) and Port of Seattle officials to discuss using the 3rd runway area as a disposal site for 60,000 cubic yards of material from the Corps Section 1135 project. The memo outlines logistics including haul routes, truck usage, and a construction schedule starting

An internal email from Paul Cooke of the Army Corps of Engineers (NWS) discussing a Section 1135 habitat restoration project called Duwamish River Turning Basin #3, which involves building a new creek channel for Hamm Creek. The email explores the possibility of disposing approximately 60,000 cubic yards of excavated material at the Port of Seattle’s

Email chain dated April 30, 1999 from Ronald Lavigne (ATG) and Ann Kenny to Washington State Department of Ecology staff including Sandra Manning, Kevin Fitzpatrick, and others, raising legal concerns about agreements reached at a Wednesday meeting regarding 401 certification and 402 permit policy. Lavigne raises issues including: the state’s one-year waiver deadline for 401

This is Revision 6 of the Port of Seattle’s procedure manual for stormwater monitoring at Sea-Tac International Airport, prepared in compliance with NPDES Permit WA-002465-1, effective March 1, 1999. The manual covers monitoring goals, sampling locations and requirements, deicing event monitoring, quality assurance and control procedures, and data reporting requirements. It provides detailed protocols for

A memo from Roger Nye, Project Manager of the Sea-Tac Airport Groundwater Study, to Steve Alexander requesting contract services to provide technical assistance evaluating the Port of Seattle’s groundwater flow and contaminant transport study. The study, conducted under an Agreed Order with Ecology, aims to determine whether groundwater contamination at Sea-Tac Airport poses a risk

A draft memorandum summarizing range-finding toxicity tests conducted as part of a water-effect ratio (WER) study for copper in streams receiving Seattle-Tacoma International Airport stormwater. The tests used Ceriodaphnia dubia exposed to copper-spiked site waters from Miller Creek, Walker Creek, and Des Moines Creek, with WER values ranging from 6.678 to 16.016. Results recommend pursuing

Email forwarded by Erik Stockdale to Tom Luster, originating from Gail Terzi, regarding SR509 proposal conflicts with Sea-Tac Airport third runway (SASA). Key issues include wetland fills in overlapping areas, moving Des Moines Creek for SR509 while Port Of Seattle spends millions bridging the creek at Tyee, and FAA telling WSDOT they CAN mitigate habitat

A telephone communication record documenting an outgoing call to Kevin Fitzpatrick of the DOE regarding Project No. 55-2912-01(6), the POS Third Runway project. The caller asked if Ecology could proceed with reviewing the outline and work plan while simultaneously evaluating BMPs at existing outfalls. Fitzpatrick responded that Ecology needs assurance that BMPs for existing outfalls

An email from Mike O’Neil of Metro King County to Brett Amrine and Wanda Gentry discussing using a Port of Seattle runway as a disposal site for material from Turning Basin #3 on the Duwamish/Hamm Creek project. The email covers logistics including truck delivery rates, timing of hauling operations from June through August, and concerns